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From:   Greg Kroah-Hartman <gregkh@linuxfoundation.org>
To:     linux-kernel@vger.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
        stable@vger.kernel.org,
        Michael Hennerich <michael.hennerich@analog.com>,
        =?UTF-8?q?Nuno=20S=C3=A1?= <nuno.sa@analog.com>,
        Stable@vger.kernel.org,
        Jonathan Cameron <Jonathan.Cameron@huawei.com>
Subject: [PATCH 5.17 015/225] iio: dac: ad5446: Fix read_raw not returning set value
Date:   Wed,  4 May 2022 18:44:13 +0200
Message-Id: <20220504153111.613317044@linuxfoundation.org>
In-Reply-To: <20220504153110.096069935@linuxfoundation.org>
References: <20220504153110.096069935@linuxfoundation.org>
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From: Michael Hennerich <michael.hennerich@analog.com>

commit 89a01cd688d3c0ac983ef0b0e5f40018ab768317 upstream.

read_raw should return the un-scaled value.

Fixes: 5e06bdfb46e8b ("staging:iio:dac:ad5446: Return cached value for 'raw' attribute")
Signed-off-by: Michael Hennerich <michael.hennerich@analog.com>
Reviewed-by: Nuno Sá <nuno.sa@analog.com>
Link: https://lore.kernel.org/r/20220406105620.1171340-1-michael.hennerich@analog.com
Cc: <Stable@vger.kernel.org>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
 drivers/iio/dac/ad5446.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

--- a/drivers/iio/dac/ad5446.c
+++ b/drivers/iio/dac/ad5446.c
@@ -178,7 +178,7 @@ static int ad5446_read_raw(struct iio_de
 
 	switch (m) {
 	case IIO_CHAN_INFO_RAW:
-		*val = st->cached_val;
+		*val = st->cached_val >> chan->scan_type.shift;
 		return IIO_VAL_INT;
 	case IIO_CHAN_INFO_SCALE:
 		*val = st->vref_mv;